FULL SCREEN GOES BLANK WHITE

HEY GUYS, LOVE THE SITE... NEVER THOUGHT I WOULD GET TO PLAY SOME OF THESE GAMES EVER IN MY LIFETME! IT'S GREAT WENT OUT AND BOUGHT X BOX 360 CONTROLLER AND IT WORKS !! HAVING A PROBLEM NOW THO.. WHEN I TRY TO MAKE THE GAME FULLSCREEN IT BLANKS OUT JUST A WHITE SCREEN BUT I CAN STILL HEAR THE AUDIO?? ANYWAY TO FIX THIS SO I CAN CONTINUE TO ENJOY THE GAMES OF MY YOUTH??